[fedora-java] Enhanced aot-compile script

[Gary Benson]

Andrew Haley wrote:
> Gary Benson writes:
> > David Walluck wrote:
> > > Andrew Haley wrote:
> > > > It will be invoked from the specfile, but by either
> > > > 
> > > > a.  Going to some java dir and running make, or
> > > > b.  Running some VM-agnostic script that does a.
> > > 
> > > It happens so quick. Why not have `java' be a script that
> > > invokes gij, and then just run it from there?
> 
> Rebuild every time?  It's fast, but it's not _that_ fast.  The speed
> of rebuilding depends how many libraries you have installed, and
> scalability was my first design goal.  (The time taken to do the
> rebuild is O(N) in theory, but likely slightly worse in practice
> because of the page cache.)
> 
> > It needs to happen as root.
> > 
> > Though, I wonder if per-session databases might not be a better
> > idea.  Andrew?
> 
> It's a bad idea IMO.  The libraries that are installed are global on
> the system, and the database should be too.
> 
> The database is in memory that's shared between all processes, and
> for that to be secure only root has write access to it.  There's no
> reason not to have per-session databases in some special
> applications, but it is *not* a good choice for a default policy.

Fair enough.

Cheers,
Gary